/Engine/Source/Runtime/MovieScene/Public/MovieSceneSection.h
Places this section at the first valid row at the specified time. Good for placement upon creation.
virtual void InitialPlacement ( const [TArray](API\Runtime\Core\Containers\TArray)< [UMovieSceneSection](API\Runtime\MovieScene\UMovieSceneSection) * > & Sections, [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) InStartTime, int32 InDuration, bool bAllowMultipleRows )